The Era of Big Band Swing Represented the First Real Instance of Jazz Music, Or Very Close Derivatives of Jazz, Becoming Part of the Mainstream of Popular Music. The Tunes Became Standards of the Time that People Whistled on their Way to Work, the Musicians Became Superstars Mobbed by Fans, and Top Names Like Artie Shaw, Duke Ellington, Louis Armstrong, Glenn Miller and Harry James Sold Records by the Millions. Swing, was the Pop of Its Day!